Exhibit 23.01

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the Registration Statement (Form S-8 No. 333-92423) pertaining to the deferred compensation plan, the Registration Statement (Form S-8 No. 333-104497) pertaining to the employees' stock ownership and retirement savings plan, Registration Statement (Form S-8 No. 333-190406) pertaining to the employees' stock ownership and retirement savings plan, Registration Statement (Form S-8 No. 333-190405) pertaining to the 2013 stock incentive plan, the Registration Statement (Form S-3ASR No. 333-221303) pertaining to the dividend reinvestment and stock purchase plan and the Registration Statement (Form S-3ASR No. 333-213005) pertaining to common stock and debt securities of our reports dated February 21, 2018, with respect to the consolidated financial statements and schedule ofOGE Energy Corp., and the effectiveness of internal control over financial reporting ofOGE Energy Corp., included in this Annual Report (Form 10-K) for the year endedDecember 31, 2017.

/s/  Ernst & Young LLP

Oklahoma City, Oklahoma

February 21, 2018